English Version(英文版)
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EBooks(电子书)
Shortens
[ʃɔ:tnz]
例句:
In
the
trombone
, valves
are
replaced
by
a
section
which
slides
in
and
out
and
shortens
or
lengthens
the
tube
.
伯莎M.克拉克.
科学通论
.
编辑:奥马尔